Weather service declares extreme heat watch for eastern Maine

BANGOR DAILY NEWS • July 1, 2026

The U.S. National Weather Service has issued an extreme heat watch for Mount Desert Island and the surrounding area. This week, the heat wave has moved scorching temperatures from the central portions of the United States east into New England and north into Canada. For Acadia National Park and coastal Hancock County, the extreme heat watch runs from 11 a.m. to 8 p.m. Thursday. According to the weather service, this sort of watch is when “dangerously hot conditions with the heat index values up to 105 Fahrenheit are possible.”